CVE-2024-4133: CWE-601 URL Redirection to Untrusted Site ('Open Redirect') in reputeinfosystems ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup
The ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 4.0.30. This is due to insufficient validation on the redirect url supplied via the redirect_to parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action.
AI Analysis
Technical Summary
The ARMember – Membership Plugin for WordPress versions up to 4.0.30 contains an open redirect vulnerability (CWE-601) due to improper validation of the redirect_to parameter. This flaw allows unauthenticated attackers to redirect users to arbitrary external URLs, potentially facilitating phishing or other social engineering attacks. The vulnerability is identified as CVE-2024-4133 with a CVSS 3.1 base score of 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N). No patch or official remediation guidance is currently documented.
Potential Impact
Successful exploitation can lead to users being redirected to malicious websites, which may result in phishing attacks or exposure to malicious content. The vulnerability affects confidentiality and integrity to a limited extent but does not impact availability. There are no known active exploits reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should exercise caution with URLs containing the redirect_to parameter in the ARMember plugin. Consider implementing additional URL validation or disabling the vulnerable redirect functionality if possible.
CVE-2024-4133: CWE-601 URL Redirection to Untrusted Site ('Open Redirect') in reputeinfosystems ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup
Description
The ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 4.0.30. This is due to insufficient validation on the redirect url supplied via the redirect_to parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The ARMember – Membership Plugin for WordPress versions up to 4.0.30 contains an open redirect vulnerability (CWE-601) due to improper validation of the redirect_to parameter. This flaw allows unauthenticated attackers to redirect users to arbitrary external URLs, potentially facilitating phishing or other social engineering attacks. The vulnerability is identified as CVE-2024-4133 with a CVSS 3.1 base score of 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N). No patch or official remediation guidance is currently documented.
Potential Impact
Successful exploitation can lead to users being redirected to malicious websites, which may result in phishing attacks or exposure to malicious content. The vulnerability affects confidentiality and integrity to a limited extent but does not impact availability. There are no known active exploits reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should exercise caution with URLs containing the redirect_to parameter in the ARMember plugin. Consider implementing additional URL validation or disabling the vulnerable redirect functionality if possible.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-04-24T16:20:05.135Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6b82b7ef31ef0b5561b0
Added to database: 2/25/2026, 9:37:06 PM
Last enriched: 4/9/2026, 2:27:36 PM
Last updated: 4/12/2026, 12:46:36 AM
Views: 10
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